Karl I in Chernivtzi, Ukraine, 6 July 1917. Granger Historical Picture Archive/Alamy.
The Emperor Karl was the last of the Habsburg line of rulers, succeeding his great-uncle Franz Joseph in 1916 as head of the Austro-Hungarian empire. After a reign of less than two years, Karl died in penurious exile in Madeira 100 years ago on 1 April 1922. He was 34.
